catch (Exception ex) {
log(ex.toString());
}
}
</code>
=== Beispiel ... catch (Exception ex) {
log(ex.toString());
}
log(" ==========... }
</code>
===Beispiel für die Anzeige der Topology===
<code java>
/**
* show the Topology Overview of the KStore
*/
her Link [[http://www.gokhanatil.com/2011/07/how-to-installupdate-java-jdk-on-oracle.html|How to Install/Update Java (JDK) on Oracle Linux]]
Das Program... y-admin die administrative DB anlegen.
Umgebung (topology) anzeigen lassen:
<code bash>
kv-> show topology
store=GPIDB numPartitions=0 sequence=1
dc=[dc
in den verschienden Lib Verzeichnissen der ganzen Tools passen nicht zusammen!
Damit läßt sich nun de... qoopException: GENERIC_JDBC_CONNECTOR_0002:Unable to execute the SQL statement
..
Caused by: java.sql.... SYS>grant read,write on directory HADOOP_EXT_TABS to scott;
SYS>grant EXECUTE on directory OSCH_BIN_PATH to scott;
SYS>grant read,write on directory OSCH_BIN
istrieren
* Umgebung prüfen (show pool und show topology)
* SN zum Pool hinzufügen
* Topology aus laufender Topology erstellen
* Topology überprüfen
* Topology ausrollen
Hier wird ein neuer SN auf dem Node
lib/*.jar,/opt/hadoop/product/hadoop/share/hadoop/tools/*.jar,/opt/hadoop/product/hadoop/share/hadoop/tools/lib/*.jar,/opt/hadoop/product/hadoop/share/had... connector with id 1
Please fill following values to create new connection object
Name: GPI DB
Connec... qoop:000> show connection --xid 1
1 connection(s) to show:
Connection with id 2 and name GPI DB (Enabl
closer.cgi/avro/
* avro-1.7.4.jar
* avro-tools-1.7.4.ja
* Jackson JSON library laden: http:... == Schema prüfen und übersetzen ===
Mit den Avro Tool kann die Schema Definition überprüft und überse... ershell>
java -jar D:\entwicklung\avro-1.7.4\avro-tools-1.7.4.jar compile schema .\emp.avsc .
</code>
... e = new AvroReadWrite();
// get the host to connect as first parameter
String host =
len Test kann ist die Implementierung des "hadoop Tool interfaces" notwendig!
Beispiel siehe => http:... .wordpress.com/2013/06/05/hadoop-implementing-the-tool-interface-for-mapreduce-driver/
<code bash>
ha... job || ':' ||
mgr || ':' ||
to_char(hiredate,'dd.mm.yyyy')|| ':' ||
sal ... // read on row
String[] emprow = value.toString().split(":");
String deptno = empr
s/
Apache Sqoop(TM)
* Apache Sqoop(TM) is a tool designed for efficiently transferring bulk data... al: => http://hortonworks.com/hadoop-tutorial/how-to-refine-and-visualize-server-log-data/
... inrichten/konfigurieren
* Mit „external Command Tool“ die External Tabelle anlegen
* Abfragen
==... e External Tabelle wird mit dem "external Command Tool" des Adapters angelegt.
Im folgenden Beispiel
r.security
echo "-- Copy the Login Information to the other Nodes"
ELEMENT_COUNT=${#STORE_NODE[@]}... NODE]} ${STORE_CONNECT_SECURITY}"
printLine "-- To connect to the store connect with \"connect store -name ${STORE_NAME[$ADMIN_NODE]} ${STORE_CONNECT_SE...
doStore
;;
getStoreSize)
# get the store total size on disk
COMMAND_TITLE="Get Store total
t auf dem sich die Daten auch befinden
* "fault tolerance"=> Eine gewissen Robustheit gegenüber Fehl... * http://blog.cloudera.com/blog/2013/01/a-guide-to-python-frameworks-for-hadoop/
* http://www.mich... p://www.javaworld.com/article/2071233/open-source-tools/7-tools-for-taming-big-data-with-hadoop.html
Komplexes Szenarien wie Realtime Analysen mit elast
;
Key key = Key.fromString(KVKey.toString());
// Convert back to canonical format
keyName = new StringBuffer(Key.createKey(key.getMajorPath()).toString()).toString();
context.write(new Text(keyName), oneValue);
-field ename
Started plan 6. Use show plan -id 6 to check status.
To wait for completion, use plan wait -id 6
kv-> plan wait -id 6
Plan... = new TableReadWrite();
// get the host to connect as first parameter
String host = ... ew KVStoreConfig(store, host);
// Connect to the store
kvstore = KVStoreFactory.getSto
nden aussagekräftigen Fehler:
<code java>
Failed to retrieve RMIServer stub: javax.naming.Communicati... r at remote endpoint]
java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.Communicati... teHandler reauthHandler;
......
// get the host to connect as first parameter
String host = "localho... ng userpwd = "MyPWD";
// get the path to the trust file
String trustFile = "D:\\security\\